168539148 has 36 divisors (see below), whose sum is σ = 426670608. Its totient is φ = 56095200.

The previous prime is 168539143. The next prime is 168539197. The reversal of 168539148 is 841935861.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (168539143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23598 + ... + 29898.

Almost surely, 2^168539148 is an apocalyptic number.

168539148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

168539148 is an abundant number, since it is smaller than the sum of its proper divisors (258131460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168539148 is a wasteful number, since it uses less digits than its factorization.

168539148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054 (or 7049 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 168539148 is about 12982.2628227902. The cubic root of 168539148 is about 552.3744702290.

The spelling of 168539148 in words is "one hundred sixty-eight million, five hundred thirty-nine thousand, one hundred forty-eight".